PROFESSIONAL SUMMARY:

• Cisco Certified Network Associate (CCNA) and Cisco Certified Network Professional (CCNP) with over 8+ years of working experience in Routing, Switching, Firewall Technologies, System Design, Implementation and troubleshooting of complex network systems, network Security, Wireless Design, Data Network Design, Capacity Management, and Network Growth.
• Implementing IP addressing schemes, Routing, Switching and Firewall Security, including hands - on experience in providing network support, installation, and analysis for a broad range of LAN /WAN/MAN communication systems.
• Expertise in planning, designing, installing, and configuring of Cisco Catalyst 6500, 3700, 3500, 2900 series switches, Cisco nexus 7000, 2000 series, Cisco 2600, 3600, 3900, 7200, 7600, GSR 1200 series routers and Cisco 4402, 4404, 5508 Wireless LAN Controllers.
• Extensively worked on Cisco catalyst 6509 and implemented VSS along with VDCand VPC on Nexus 5506, 7009 switches.
• Expertise in Configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter-VLAN routing and VLAN Trucking using 802.1Q.
• In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.
• Experienced with Threat prevention for firewalls (IPS, Anti-bot, Anti-spam, Anti-virus, DLP).
• Planned and Implemented hardware refresh of F5 devices.
• Planned and worked on design with Network team to re-architect F5 load-balancers to load-balance traffic anywhere in the company network.
• Proficiently implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps,and route manipulation using Offset-list.
• Have hands-on experience in setting up LAN and troubleshooting related issues. Have WAN awareness and assisted in setting up and troubleshooting various WAN related issues, including frame relay and ATM technologies.
• Extensive knowledge and experience of routing and switching protocols RIP v1 & v2, OSPF, EIGRP, BGP, NAT and VLAN.
• Strong knowledge of TACACS+, RADIUS implementation in Access Control Network.
• Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Experience in designing MPLS VPN and QoSfor architecture using Cisco multi-layer switches.
• Experience in dealing with individuals and enterprise customers. L1 and L2 customer support for network troubleshooting.
• Extensive knowledge of OSI and various network protocols (DNS, DHCP, TCP/IP, FTP, TFTP, UDP, ICMP, IPv4, IPv6, NFS, HTTP, SNMP etc).
• Experience with VoIP and telecom equipment, standards, and technologies.
• Expertise in installing, configuring, and troubleshooting Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200) series.
• Expertise in installing, configuring and troubleshooting Juniper Routers(E,J,M and T-series).
• Possess hands on experience on IP Packet analysis in a real-time production Environment.
• Possess experience in working with data center environment.
• Design and Install UCP Select for VMWare with Cisco UCS and Cisco Unified Fabric Switching.
• Implementing security policies using Cryptography, ACL, SDM, PIX Firewall, IPsec, VPN, and AAA Security on different series of routers.
• Strong hands on experience on PIX Firewalls, ASA (5540/5550) Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS.
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.

TECHNICAL SKILLS:

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600,1800,1700

Routing: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route Filtering, Redistribution, Summarization, and Static Routing

Switches: Nexus 3K/5K/7K, Cisco Catalyst 2900, 3500, 3700,6500, 4500, 3850,3560, 3750, 2960

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Etherchannels, Transparent Bridging

Network Security: Cisco ASA 5540, ACL, IPSEC, Checkpoint

Load Balancer: F5 Networks (Big-IP) LTM 8900 and 6400

LAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links (T1/T3), Fiber Optic Circuits, Frame Relay, VOIP

Gateway Redundancy: HSRP and GLBP

WAN Optimizer: Riverbed Steelhead Appliance

DHCP and DNS: Infoblox, Solarwinds

Various Features & Services: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP.

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Network Management: Wireshark, SNMP, Solarwinds

PROFESSIONAL EXPERIENCE:

Confidential, Dallas,TX

Sr. Network Engineer

Responsibilities:

• Managing and configuring Cisco Switches and Routers independently and providing Level 3 network support to the client.
• Fiber Optics installation and termination, Data/Phone cable installation and termination, Ground-up deployment of wireless access points, CCTV security systems and their DVRs, networked access control, and MDF/IDF build outs.
• Data/Phone cable installation and termination, includingCat6e, Cat5, and Cat3 MDF/IDF build outs.
• Worked as team leader to Coordinates network schedule, backups, and downtime to users Monitor and maintain network stability.
• Worked on Physical site; latency and slowness issues in transmitting results within internal quest network.
• Implementation of Cisco 3750, 3850 switches and Cisco 3900 and ASR 1000s routers to new sites.
• Configuring Palo Alto 7050 chassis, Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600, ASR 9K, 12K routers, Nexus 2K/5K/7K, 2950, 3500, 5000, 6500 switches, Juniper M120, 320, MX480, 960 routers, EX4550, 4300, 4200-VCT, 3300 series switches.
• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Negotiate VPN tunnels using IPSec encryption standards and configured and implemented site-to-site VPN, Remote VPN.
• Experience with design and implementation of Virtual Switching System (VSS) for both User segment and server segment using 6509-V-E catalyst switches
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s site
• WiFi Protocol testing development using industry leading WiFi chipsets.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients
• Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers
• Configured Ether-channel with LACP and PAGP for link aggregation between Core to distribution and as L3 MEC for VSS on 4K and Predator Box.
• RCA of Sev 1 and Sev 2 incidents.
• Recommending, Provisioning, configuration, migrations, upgrades of F5 BigIP LTM 3400, 6400, 8900 running v4.x to 10.2.x, Active/Standby, F5 4000 Enterprise Manager, advanced bigpipe and TMSH command line experience (preferred over gui)
• Troubleshooting application issues via HTTP traces, HTTPWATCH, routes, DNS, SNAT, TIME WAIT, TCP 3-Way Handshake, ephemeral port collisions -(port exhaustion) asynchronous routing, member nodes with different networks and gateways that are not the F5 self IPs.
• Migrated, created, and managed pools and clusters in F5 BigIP GTM 3DNS load balancers across multiple Datacenters.
• Responsible for the planning, design, implementation, organization, and operation of Palo Alto Firewalls based perimeter security network and network security devices including but not limited to 7000, 5000 and 3000 series FW’s. The job also involves simultaneously working on the successful engineering, testing and deployment of multiple projects.
• Configured rules in the Intrusion Detection System (IPS) and Intrusion Prevention system (IPS) on Level 3 support, with resolving daily tickets raised by user for accessing internet through firewall. Used IDS as detection of unknown packets passing through the firewall (ASA firewall).
• Worked on firewall tickets with modification of RULES for ASA firewalls on ASDM stand as Global Land Project (GLP).
• Responsible for vetting out (POC) and implementing software/technologies such as HP BTO, HP Sitescope, NNMi, HP BPM, HP Asset Manager, Infoblox DDI (DHCP, DNS & IPAM) and NetMRI, Riverbed Cascade Profiler, Riverbed Shark, Riverbed Sensors, Riverbed Pilot, Riverbed/OPNET AppResponseXpert, NetOptics, Nagios XI, EIQ Securevue, Firescope, etc…
• Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre-configuration of network equipment, testing, and maintenance) in both Campus and Branch networks.
• Gave intensive support for NetWorker/Data Domain customer with severe capacity issues and assisted in remediation of associated backup issues.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960/6509/6500 switches and Cisco 3640/12000/7200/3845/3600/2800 routers, Cisco Nexus 7K/5K/3K, Cisco ASA 500,F5 BIGIP LTM, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP, puppet, chef, ansible, ISG 2000, JunOS X480, Cisco CRS IPv6, CrossBeam Firewalls, Palo Alto Firewall, IMPG.

Confidential, Quincy, Massachusetts

Network Engineer

Responsibilities:

• Responsible for turning up new sites this includes designing, configuring, and coordinating in turning up the new circuits on Routers and switches.
• Analyzed, configured, and troubleshoot the LAN/WAN networks. Monitored Network traffic and access logs to troubleshoot network access issues. Used network analysis tools to monitor and shape traffic for optimum performance.
• Implemented traffic filters using Standard and Extended Access-lists.
• Handled Route-map, Redistribution list, & access-list configurations.
• Designed and configured Local Area Networks consisting of Cisco Catalyst Switches 6509E, 4500s, 3750, 3560 Wired Switches, Wide Area Networks consisting of Cisco Routers 3900s, 2951s, and Wireless LAN Networks using controllers of Cisco 5508s with Cisco APs 3502Es.
• Performed Pilot Test on Cisco Nexus Data Center Switches 7000s for compatibility issues, Cisco Carrier Routing System (CRS), Cisco Aggregation Service Routers, and Cisco 12000 GSR.
• Performed configuration and maintenance of LAN/WAN technologies such as Ethernet and Fast Ethernet. Securing the network with access lists applied on interfaces.
• Implemented IP Routing protocols EIGRP, OSPF, BGP on Cisco Routers 7600, 3600, 2800.
• Configured and managed Windows Firewalls, Cisco PIX, and Checkpoint firewalls.
• Planned, designed, and configured ASA 5580 Firewalls with software version 8.0, Cisco Load balancers, VPN concentrators, and implemented QoS and performing traffic engineering.
• Utilized Cisco Nexus 9k,7K, 5K,2K, VxLAN, Cisco Series 6500 (Sup Engine 720, 32, 2, 2A, 1), UCS-C, UCS-D, UCS-M, NICE, Aspect systems in managing and deploying data center switch upgrade.
• Responsible for daily administration of Windows servers including creation/deletion of new user accounts, print services, and backups.
• Installed and Maintained software license agreements: administering patch management and operating system deployment with SCCM and SCOM.
• Configured and Utilized network monitoring software to ensure network availability to all system users and Communication Manager.
• Deployed F5 Edge Gateways for SSL, remote access load balancing. Created templates, SSL profiles andnetworkACLs.
• Assisted in design and implementation of load balancing solutions.
• Assisted in PoC design & evaluation for purchasing IP Networking hardware and software for expansion of the circuits.
• Created documentation to record test result as well as identify and escalate issues to proper team.
• Worked on migration of existing PIXfirewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0.
• Designed and Implemented DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515.
• Built VPN tunnel and VPN encryption.
• Involved in Configuration of Access lists (ACL) on ASA firewall for the propernetworkrouting for the B2Bnetworkconnectivity.
• To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and relatednetworksecurity measures.

Environment: Cisco Catalyst Switches 6509E, 4500s, 3750, 3560, Cisco Routers 7600, 3900s, 3600, 2800, 2951s, LAN, WAN, Cisco Nexus 7K/5K/3K, Cisco Nexus Data Center Switches 7000s, CRS, Cisco 12000 GSR, Windows Firewalls, Cisco PIX 506, PIX 515, ASA 5580, F5 Edge, VPN.

Confidential

Network Engineer

Responsibilities:

• Configured RIP and EIGRP on 2600, 2900 and 3600series Cisco routers.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500series Cisco Catalyst switches.
• Provided on-call support for installation and troubleshooting of the configuration issues.
• Configured Standard, Extended, and Named Access Lists to allow users all over the company to access different applications and blocking others.
• Planned and implemented Subnetting, VLSM to conserve IP addresses.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Performed troubleshooting of connectivity problems using PING, and Trace route.
• Provided Technical support for improvement, upgradation, and expansion of the existing network architecture.
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.

Environment: Cisco catalyst Switches 3560,3750 and 4500 series, Cisco 2600, 2900 and 3600 series routers, RIP, EIGRP, DNS, DHCP, VTP, VLSM, PING, 802.1q and ISL, Trace route, TCP/IP.

Confidential

Network Engineer

Responsibilities:

• Provided Level 1 Support for Broadband Connection to customer.
• Received inbound calls of technical nature, independently resolved customer complaints, concerns and inquiries regarding their Internet connection.
• Managed LAN and Wireless Network and performed troubleshooting OnLAN, WLAN, Customer Modems (NTL 250, TERAYON, and MOTOROLA) And CPE Router (Cisco-Linksys, Belkin, D-LINK and Dynamode).
• Set up Home Network and provided troubleshooting and full support on virgin- media security Software (PC-guard).
• Troubleshoot a wide range of technical support issues and connectivity problems such as authentication, connection speed, e-mail configuration, and loss of synchronization.
• IOS upgrades on catalyst series switches like 2900, 3560, 3750.
• Troubleshoot TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Implemented trucking protocols like 802.1qon 3750 switches.
• Configured ACLs to provide accessibility and restrict unauthorized users.
• Involved in maintaining STP, RSTP and PVST+ for the catalyst switches I worked on.
• Configured and maintained RIP, OSPF and routing protocols on 2600 and 3600series Cisco routers.
• Maintaining and troubleshooting of connectivity problems using Ping, Traceroute.
• Assisted in racking and stacking.
• Technical assistance for LAN/WAN management and customer issues.
• Other responsibilities also included documentation.

Environment: Cisco Catalyst switches 2900, 3560, 3750, Cisco 2600 series and 3600 series routers, LAN, WAN, CPE Router, TCP/IP, 802.1q, ACL, STP, RSTP, PVST+, RIP, OSPF, Ping, Traceroute.